InfoVista Affirms Status as Leader in Multi-Vendor IP Service Performance Assurance by Broadening its Integration Scope with Alcatel-Lucent for Ethernet Mobile Backhaul

InfoVista (Euronext IFV- FR0004031649), the leader in delivering proven solutions for proactive service assurance and member of the Metro Ethernet Forum (MEF), has strengthened its multi-vendor offerings for Ethernet mobile backhaul with the release of the next version of its pre-integrated, off-the-shelf adaptor with the industry leading Alcatel-Lucent 5620 Service Aware Manager. With this release, InfoVista extensively supports deployments of the Alcatel-Lucent 7705 Service Aggregation Router—a platform well suited to the transport needs of the evolving mobile radio access network (RAN).

Infonetics Research, an international data networking and telecom market research firm, estimates that the IP/Ethernet mobile backhaul equipment market will more than double from $4.6 billion in 2008 to almost $11 billion in 2013. This more

Herndon, VA – September 22, 2009 – XO Communications (OTCBB: XOHO) today announced the launch of “Ethernet Everywhere,” a service availability guarantee ensuring its Carrier Services’ customers can obtain Ethernet services anywhere within XO’s coverage area. This service availability guarantee is the first of its kind by any nationwide service provider.

“It’s well understood that the largest problem facing the industry with Ethernet is its lack of widespread availability,” said Ernie Ortega, president of XO Carrier Services. “This revolutionary guarantee demonstrates XO’s continued commitment to meeting the latest demands of the market, and Ethernet certainly fits that mold.”

XO’s Ethernet access options range from 3Mbps up to 10Gbps and are used to support a variety of services such as private line, dedicated Internet access, and MPLS IP-VPN. Offered through the end of 2009, the guarantee is available to any Carrier Services’ customer that more

CHICAGO [September 17, 2009] – Nitel, Inc., a single-source provider of telecommunications network services and nationwide virtual network operator, is refocusing its sales and marketing strategies under the leadership of Tim Basa, a noted industry veteran and sales mentor.

Basa recently joined Nitel as Vice President of Sales and Marketing. He is responsible for overseeing the sales force nationwide, expanding marketing and business development strategies, and unifying teams to drive revenue growth.

“Tim’s proven track record of accelerating growth at mid-size telecom organizations makes him an immediate and significant asset to the Nitel team,” said Rick Stern, Nitel chief executive officer. “We have become one of the fastest-growing companies in America by focusing on niche markets where we serve customers with the best network solutions at the best prices. Tim brings to this role experience in growing revenue through identifying and developing niche markets where the company more

CHICAGO [September 17, 2009] – Nitel, Inc., a single-source provider of telecommunications network services and nationwide virtual network operator, announced that experienced telecom industry executive David Zilch has joined the company as Senior Director of Business Development.

Zilch is responsible for establishing and executing a strategy to create new market opportunities for Nitel’s products and services. His focus will include emerging markets, value added resellers, agents and other potential partners.

“Dave has a strong track record of developing and executing plans to establish new lines of business. That’s important in this newly created role for Nitel,” said Rick Stern, chief executive officer. “His well-rounded business background and relationships throughout the telecom industry will be assets as we continue the rapid pace of expansion of the company.”

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